Preferences: Putting More Knowledge into Queries

Summary: Adds a formal preference mechanism to a Domain Relational Calculus-based query language to express desirable qualifications alongside mandatory predicates. Demonstrates expressive power and applicability to software configuration management, enabling queries to model soft constraints. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 7804
Venue: VLDB
Year: 1987
Pagerank: 6.1192913e-05
Overall Rank: 4,515 | 68.60%
DOI: -

Incoming Non-self Citations Over Time

Authors

1. M. Lacroix
2. P. Lavency

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
1,697	A Probabilistic Framework for Vague Queries and Imprecise Information in Databases	1990	VLDB	0.00010873473
2,346	Multi-objective Query Processing for Database Systems	2004	VLDB	8.9919258e-05

Outgoing Citations (Sorted by Pagerank)

Showing 0 of 0 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank

Semantically Similar Papers

Overall Rank	Paper	Year	Venue	Pagerank
8,538	A Query Engine for Probabilistic Preferences	2018	SIGMOD	4.4937074e-05
12,248	A Demonstration of FlexPref: Extensible Preference Evaluation Inside the DBMS Engine	2010	SIGMOD	4.1945683e-05
465	PREFER: A System for the Efficient Execution of Multiparametric Ranked Queries	2001	SIGMOD	0.00022455702
4,803	A System for Management and Analysis of Preference Data	2014	VLDB	5.9107061e-05
11,503	Preference Queries over Taxonomic Domains	2021	VLDB	4.1945683e-05
1,030	Preference SQL - Design, Implementation, Experiences	2002	VLDB	0.00014557349
1,080	A Framework for Expressing and Combining Preferences	2000	SIGMOD	0.00014217619
4,726	Qualified Answers That Reflect User Needs and Preferences	1994	VLDB	5.9695016e-05
12,123	PrefDB: Bringing Preferences Closer to the DBMS	2012	SIGMOD	4.1945683e-05
707	Foundations of Preferences in Database Systems	2002	VLDB	0.00017782998